4. Carborundum, Sic, is a hard
substance made by combining silicon
dioxide with coke (Q) as follows:
sio (3) -+- 3C($) — SiC(s) + 2Cold.
What mass in grams of Sic is formed
from the complete reaction of
2.00 mol of carbon?

What layer of the atmosphere is directly above the troposphere?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Amixture with the same composition throughout is!